Straight from BronyState
"Hello everyone! We have a special announcement regarding this week’s Pony Episode Livestream. Our Post-Show is going to have a special guest: Voice Actress of Pinkie Pie and Fluttershy, Andrea Libman! She’ll be chatting live with staff from both BronyState and Celestia Radio and giving reactions and thoughts of the episode right after it airs! We’ll be posting more info regarding this special Post-Show in the near future so be sure to check back frequently throughout the week. She’ll be joining with us around 11:00 AM EST this Saturday December 15th, which is at the end of the new MLP:FiM Episode.
Hope to see you all there!